Vacuum cleaner



FIG. 1 is a perspective view of a vacuum cleaner, showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a side elevation view thereof;

FIG. 5 is a another side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is another perspective view of the vacuum cleaner, in configuration showing removability of a portion thereof.

The broken lines illustrating portions of the vacuum cleaner are for environmental purposes only and form no part of the claimed design. 

CLAIM We claim the ornamental design for a vacuum cleaner, as shown and described. 